論文 - 野老山 貴行
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Tribological properties of ta-CNx coating sliding against steel and sapphire in unlubricated condition 査読有り
X. Liu, N. Umehara, T. Tokoroyama, M. Murashima
Tribology International 131 巻 頁: 102-111 2019年3月
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Zin, MRB; Yagi, Y; Sasaki, K; Inayoshi, N; Tokoroyama, T; Umehara, N; Kousaka, H; Kawara, S
TRIBOLOGY INTERNATIONAL 109 巻 頁: 48 - 57 2017年5月
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The effects of temperature, pressure and dissolved oxygen concentration (DO) in water on the wear of the hydrogenated diamond-like carbon (HDLC) at high temperature and pressurized water 査読有り
M.R.B. Mohamad Zin, Y. Yagi, K. Sasaki, N. Inayoshi, T. Tokoroyama, N. Umehara, H. Kousaka, S. Kawara
Tribology International 109 巻 頁: 48-57 2017年3月
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Clarification of relationship between friction coefficient and transformed layer of CNx coating by in-situ spectroscopic analysis 査読有り
H. Nishimura, N. Umehara, H. Kousaka, T.Tokoroyama
Tribology International 93 巻 ( B ) 頁: 660-665 2016年1月
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The effect of oil temperature and additive concentration on the wear of non-hydrogenated DLC coating 査読有り
H.A. Tasdemir, M. Wakayama, T. Tokoroyama, H. Kousaka, N. Umehara, Y. Mabuchi and T. Higuchi
Tribology International 77 巻 頁: 65-71 2014年9月
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Influence of zinc dialkyldithiophosphate tribofilm formation on the tribological performance of self-mated diamond-like carbon contacts under boundary lubrication 査読有り
H.A. Tasdemir, T. Tokoroyama, H. Kousaka, N. Umehara and Y. Mabuchi
Thin Solid Films 562 巻 ( 1 ) 頁: 389-397 2014年1月
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Wear behaviour of tetrahedral amorphous diamond-like carbon in additive containing lubricants 査読有り
H. Tasdemir, M. Wakayama, T. Tokoroyama, H. Kousaka, N. Umehara, Y. Mabuchi, T. Higuchi
Wear 307 巻 ( 1-2 ) 頁: 1 - 9 2013年9月
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Thermal stability and high-temperature tribological properties of a-C:H and Si-DLC deposited by microwave sheath voltage combinatio plasma 査読有り
X. Deng, H. Kousaka, T. Tokoroyama, N. Umehara
Tribology Online 8 巻 ( 4 ) 頁: 257 - 264 2013年9月
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Evaluation of transformed layers of DLC after sliding in oil with spectroscopic reflectometry 査読有り
K. Ohara, N.A.B Masripan, H. Kousaka, T. Tokoroyama, N. Umehara, S. Inayoshi, K. Zushi, M. Fujita
Tribology International 65 巻 頁: 270 - 277 2013年9月
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Ultra-low friction of diamond-like carbon (DLC) under oil boundary lubrication 査読有り
H. Tasdemir, M. Wakayama, T. Tokoroyama, H. Kousaka, N. Umehara, Y. Mabuchi, T. Higuchi
Tribology International 65 巻 頁: 286 - 294 2013年9月
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加熱冷却過程におけるDLC膜のはく離メカニズムの解明 査読有り Open Access
三宮大輝,上坂裕之,梅原徳次,野老山貴行
日本機械学会論文集(C編) 79 巻 ( 799 ) 頁: 858 - 865 2013年3月
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Hardness effect of DLC on tribological properties for sliding bearing under boundary lubrication condition in additive-free mineral base oil 査読有り
N.A.B. Masripan, K. Ohara, N. Umehara, H. Kousaka, T. Tokoroyama, S. Inami, K. Zushi, M. Fujita
Tribology International 65 巻 頁: 265 - 269 2013年
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Phase Transformation Studies on a-C Coating under Repetitive Impacts 査読有り
Mohd Fadzli Bin Abdollah, Yuto Yamaguchi, Tsuyoshi Akao, Naruhiko Inayoshi, Noritsugu Umehara, and Takayuki Tokoroyama
Surface and Coatings Technology 205 巻 ( 2 ) 頁: 625 - 631 2010年10月
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Effect of Water on Wear of DLC Coatings in High Temperature and Pressurized Ethanol 査読有り
Tokoroyama, T; Horikawa, S; Mimata, J; Umehara, N; Murashima, M
TRIBOLOGY LETTERS 72 巻 ( 4 ) 2024年12月
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Hirata, K; Murashima, M; Umehara, N; Tokoroyama, T; Hashizume, N; Lee, WY; Takekawa, D; Narita, K
TRIBOLOGY INTERNATIONAL 187 巻 2023年9月
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Friction characteristics of amorphous carbon coating against various 3<i>d</i>-transition metals 査読有り Open Access
Kim, JI; Lee, WY; Tokoroyama, T; Murashima, M; Umehara, N
TRIBOLOGY INTERNATIONAL 174 巻 2022年10月
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New in situ superlow-friction method for nitrogen-containing diamond-like carbon coatings using dielectric barrier discharge treatment in ambient air 査読有り Open Access
Wu, WJ; Murashima, M; Saso, T; Tokoroyama, T; Lee, WY; Kousaka, H; Umehara, N
TRIBOLOGY INTERNATIONAL 174 巻 2022年10月
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Effect of fracture properties and surface morphology on wear of DLC coatings at severe contact condition 査読有り Open Access
Yamada, Y; Murashima, M; Umehara, N; Tokoroyama, T; Lee, WY; Takamatsu, H; Tanaka, Y; Utsumi, Y
TRIBOLOGY INTERNATIONAL 169 巻 2022年5月
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Realization of near-less friction of ta-CNx coating under R32 refrigerant environment 査読有り Open Access
Lee, W; Murashima, M; Umehara, N; Tokoroyama, T; Horaguchi, N; Ishimoto, T
TRIBOLOGY INTERNATIONAL 168 巻 2022年4月
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New in situ low-friction technology for diamond-like carbon coatings using surface discharge treatment in ambient air 査読有り Open Access
Murashima, M; Oyama, S; Kousaka, H; Tokoroyama, T; Lee, WY; Umehara, N
TRIBOLOGY INTERNATIONAL 165 巻 2022年1月